baber/WOPTO huggingface dataset:
Patent GB-270384-A (GB)
Title: Improvements in or relating to alternating current dynamo electric machines
IPC: H02K17/28
Filed: 1926-02-04
Abstract: 270,384. Pistoye, H. de. Feb. 4, 1926. Alternating - current commutator machines; cores; exciting. - An alternating - current dynamo - electric machine and a commutator exciter having a different number of poles are combined in a single structure, known means being employed to avoid mutual induction between the main and exciter windings; the exciter is of the Leblanc type having a single stator winding and a rotor winding connected directly or reversely to the commutator, or of the Boucherot sinusoidal type described in in Specification 9533/00. The main and exciter stator windings S<p>, Se are connected to the mains L, or the winding S<e> may be fed at low voltage from tappings on the main winding or from a winding having a few turns inductively coupled with the main winding. The commutator winding R<e> delivers current at slip frequency into the secondary winding Rp for asynchronous operation and continuous-current for synchronous operation. Fig. 6 shows the stator connections in the case of a single-phase machine. The radial width of the laminae and the width of the teeth may vary from point to point around the stator core to allow for the differences in the induction due to the dissimilarity of the superposed magnetic circuits.
Patent GB-210626-A (GB)
Title: Improvements in tobacco pipe cleaners
IPC: A24F9/10
Filed: 1923-02-03
Abstract: 210,626. Hart, A. G. Feb. 3, 1923. Tobacco-pipe cleaners; ash-trays. - A pipe cleaner comprises two flexible blades a bent in the form of a lyre and having hooked extremities which may be tapered. The two blades may be held in a support b and secured to an ash-tray by means of a screw f, or they may be inserted in a handle g, Fig. 5. In the latter case a cover may be provided. In another form, shown in Fig. 6, the handle is made integral with the blades.
Patent GB-804366-A (GB)
Title: Pneumatic cushion for vehicle suspension system
Inventor: PFEIFFER PAUL ORRIN
IPC: F16F9/04
Filed: 1955-02-03
Abstract: 804,366. Moulding pneumatic springs. GENERAL TIRE & RUBBER CO. Feb. 3, 1955, No. 3268/55. Class 87(2). [Also in Group XXXII] A pneumatic cushion for a road vehicle suspension (see Group XXXII) comprises two tubular blanks C<SP>1</SP>, C<SP>11</SP>, built up from layers of gum rubber stock and sheets of cord reinforced rubber. The tubes are cured and bonded to attachment flanges 18, 19, by treatment in a mould comprising parts 146, 147, 153, and 154. The tubes C<SP>1</SP> and C<SP>l</SP>l, together with air inlet and outlet stems 22, 24, and annular filling strips 141 to 143, and the members 18, 19, are assembled together with the mould portions 146 and 147 fitting within the flanges of the members 118, 19, and retained by end spacing members 152. Pins 151 on the members 152 engage corresponding holes in the mould por. tions 146, 147. The mould is then completed by the additional portions 153, 154 and is placed in an open steam autoclave or curing chamber. The stem 22 of the cushion C<SP>l</SP> is disposed in an aperture 159 in the mould portion 146 and is connected by a pipe 160 to a source of carbon dioxide at a pressure of 200 lbs. per sq. inch. The stems 24, 24, of the cushion C<SP>11</SP> are similarly connected to a live steam pipe 161 and an exhaust steam pipe 161<SP>1</SP>. Carbon dioxide is introduced for a period of eight to twelve minutes, and is then replaced by steam at the pressure of 85 lbs. per sq. inch maintained for a period of eight to twelve minutes. At the end of this period, carbon dioxide at 200 lbs. per sq. inch is again applied to the interior of the tube and maintained for remainder of the process. Steam in the autoclave is maintained at a temperature of 280‹F., and a pressure of 40 lbs. per sq. inch for a period of 30 minutes.
Patent GB-247938-A (GB)
Title: Air propeller with freely oscillatable blades
IPC: B64C11/34
Filed: 1926-02-05
Abstract: 247,938. Parseval, A. von. Feb. 23, 1925, [Convention date]. Screw propellers. - Screw propeller blades are connected to the hub by a spherical joint allowing a limited inclination in the plane of rotation, and an inclination in the plane containing the propeller shaft accompanied by rotation on its axis for changing pitch. Each blade is weighted at its forward edge by a rod whereby the C-G of each crosssection is coincident with the C-P, and the line through the C-G passes through the centre of the spherical joint. Each cross-section is made with straight boundary lines except at the front and rear edges. On the boss 1 are offset sockets each having a spherical face b and screwed into which is a cap 3 having an inner spherical face a and acting as a retainer for the blade carrier 2. The hollow blade 5 is secured to a root member 4 having a closing plate 10 and adapted to be screwed into the carrier 2. From the projection c a link extends parallel to the propeller shaft and is coupled to an arm thereon. For lubricating the spherical faces, a pump 9 is provided.
Patent GB-816295-A (GB)
Title: Method of and apparatus for producing uniform scutcher laps
IPC: D01G23/06
Filed: 1956-02-03
Abstract: 816,295. Preparing fibres for spinning. RIETER & CIE A. G., J. J. Feb. 3, 1956 [Feb. 4, 1955], No.3496/56 Classes 120(1) and 120(3) Uniform laps are produced from non- uniform layers of fibres on the lapping frame of a scutcher-type opener with an adjustable fibre feed member by continuously adjusting the rate of delivery of the feed member to obtain a fibre layer which, before lap-winding, is of constant thickness, determining the additional, non- linear correction which must be applied to the delivery rate of the feed members during lap-winding in order to compensate for progressive increase of weight per unit length during winding so as to produce a uniform fibre layer after unrolling from the cap, and producing laps with this additional correction superimposed on the continuous feed adjustment. As shown, fibre is fed to the opener by a feed cylinder 3 and pedal plates 4, the latter acting through a linkage 14, 13, 17, 18, 19, 20 to shift the belt 11 of a cone drive 12 and thereby regulate the speed of clinder 3 to compensate for variations of thickness of the fibre layer being fed. To compensate for a stated drop in weight per unit length of the lap towards the core of a roll wound as delivered from the opener, the pivot point 15 of lever 13 is shifted constantly during the lap formation so that the rate of delivery by the roller and pedal feed constantly decreases. For this purpose, a pawl 49 moved by a constantly-rotated eccentric 51 progressively advances a ratchet wheel 40 so that a pin 44 thereon rocks a lever 38 to move pivot 15 via a rod 31 and bell-crank 35. During ejection of a finished lap latch 54 is operated pneumatically, hydraulically or electrically by the ejector mechanism to trip a locking pawl 53 and allow ratchet 40 to return to its starting position under the influence of a spring 52. Pin 44 is adjustable radially of ratchet 40 and is set so as to give the desired feed variation following examination of test laps produced with constant feed by setting pin 44 coaxially with ratchet 40. The shape of the feed-time curve can be varied by varying the shape or inclination of the guide slot 43 on lever 38; or pin 44 may be replaced by an appropriately shaped cam bearing on lever 38.
Patent GB-1015113-A (GB)
Title: Improvements in or relating to co-axial line structures and to aerial array and feeder systems incorporating the same
Inventor: RADFCRD MATTHEW FREDERICK
IPC: H01P1/02
Filed: 1962-01-30
Abstract: 1,015,113. Impedance matching. MARCONI CO. Ltd. Sept. 27, 1962 [Jan. 30, 1962], No. 3515/62. Heading H1W. [Also in Division H4] A direction-reversing coaxial line bend structure comprises a hollow member A and an inner dished member B, the two members defining an inner space AB which forms a short length of ridged waveguide. The ends of outer conductors Cl, C2 of two coaxial lines are received within circular apertures in the base of the hollow member A, and the ends of inner conductors C3, C4 are received within circular apertures in the inner member B. One (or both) of the inner conductors may be tubular and may enclose an innermost conductor C5 whereby conductors C4, C5 form an inner coaxial line. The inner coaxial line C4, C5 may be coupled to the outer coaxial line C2, C4 by apertures H in the common conductor C4. The inner line may form a feeder tap for one of a series of dipole aerials forming an array. The array is fed from a folded line comprising sections of coaxial line coupled by a stack of bend structures of the kind described.
Patent GB-535912-A (GB)
Title: Improvements in or relating to web roll supporting mechanism for printing presses
IPC: B65H16/06
Filed: 1940-02-26
Abstract: 535,912. Feeding webs. GOSS PRINTING PRESS CO., Ltd. Feb. 26, 1940, No. 3568. Convention date, April 21, 1939. [Class 100 (i)] A web roll w feeding a printing press is supported at one end by a bung or spindle 12 rotatably mounted in a cylindrical block 10 housed in a fixed support 6, which may be an arm of a three-armed spider for supporting three rolls, the block having three external helical grooves 23, 24, 25 engaged by corresponding pins 26 in a ring 32 fixed to the arm 6. A helical gear 37 slidably keyed to the block 10 and held against axial movement is engaged by a helical pinion 43 on a shaft 44 provided with an operating handle which carries a spring detent for engagement with a number of closely arranged holes or teeth on the arm 6. By this means a fine axial adjustment of the block 10 to adjust the pressure of the bung on the roll core 9, or a quick movement of the block to free the roll may be effected. The bung 12 may be mounted on ball bearings on a spindle 14 fixed in the block 10 by a screw 19 and plate 17 or may be mounted on roller bearings in an axial recess in the block. The opposite end of the roll core 9 is supported by a similar bung 12 and spindle 14 mounted in a block 67 secured to the opposite spider arm 6.
Patent GB-1140661-A (GB)
Title: Improvements in or relating to carding machines
IPC: D01G15/36
Filed: 1966-01-26
Abstract: 1,140,661. Carding engines; stop motions. W. STAUDENMAIER. 26 Jan., 1966 [27 Jan., 1965], No. 3572/66. Heading DID and D1N. The drive to the feed roller F and the doffing roller A of a carding machine passes through a variable or change speed device e.g. a two speed gearbox G so that upon starting up the machine the feed-in and doffing elements run at a reduced speed to facilitate threading up and after an adjustable time e.g. 30 to 45 sees an automatic timer changes the drive to normal speed. In the described embodiment the two speed gear box is of the constant mesh type with the gears selectively engagable by electromagnetic friction clutches. Both friction clutches may be disengaged to stop the drive if:- 1 the incoming web as measured by a roller P is too thick or too thin; 2 the outgoing sliver L breaks; this is detected by a pivoted feeler B; 3 a counter connected to a measuring roller engaging the outgoing sliver indicates that a can is full. The switches for operating the stop motions are preferably of the full enclosed electromagnetic type. Three coloured lights may be provided at each card to indicate the state of the drive.
Patent GB-672547-A (GB)
Title: Improvements in or relating to portable signs
IPC: E01F9/012
Filed: 1950-02-13
Abstract: 672,547. Signs. GOWSHALL, B. Feb. 13, 1951 [Feb. 13, 1950], No. 3593/50. Class 3(ii) A portable sign with or without a frame 1, for receiving any desired inscription, notice or the like, has a conical or tapered socket 4 of resilient material secured to the sign at substantially opposite points on the periphery thereof about midway of the height of the sign or at a convenient point above this level, each socket being slit longitudinally on its outer face and receiving a leg 7 formed by two rods welded or otherwise secured together at one end so as to form a tapered or conical end complementary to the interior of the socket, the other ends of the rods being separate from one another or connected by a substantially horizontal portion 15 formed integral therewith or secured thereto. The tapered end of each leg may protrude slightly from the top of'its socket so that the leg may be released by a hammer blow on the end. The sign may be of rectangular, circular or elliptical shape.
Patent GB-356639-A (GB)
Title: Improvements in burners
IPC: F23Q9/12
Filed: 1931-02-05
Abstract: 356,639. Thermally-actuated valves. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Feb. 5, 1931, No. 3619. Convention date, Feb. 5, 1930. [Class 135.] Safety cut-off valves.-A thermally-actuated gas cut-off valve has the thermal element in the form of a disc or diaphragm e perforated to form the burner nozzle g of a lighter burner. In the form shown in the Figure the valve member i<1> is supported by spring arms k formed integrally with a ring adapted to be clamped in position by the annular screwed ring f holding the thermal element in position. In a modification the valve member is provided with arms riveted or otherwise secured to the thermal element. The valve member is preferably provided with a seating face of heatresisting rubber.
Patent GB-1328465-A (GB)
Title: Caster wheel mountings for industrial trucks and mobile  platforms
IPC: B60B33/00
Filed: 1972-01-26
Abstract: 1328465 Castors ACTA PTY Ltd 26 Jan 1972 [4 Feb 1971 1 March 1971 3702/72 Heading A4U [Also in Division B7] A castor wheel mounting, particularly for an industrial truck or leading platform, includes a base 1, a rotatable shaft 5, an arm 6 rotatable in a plane normal to the shaft axis and mounting ground wheels 11, and wheels 12 mounted on arm 6 and bearing against the base 1 for transfering the lead directly to the ground wheels 11. The base has an annular raised portion 4 against which steadying wheels (8) Fig. 2 (not shown) at each end of arm bear.
Patent GB-1142173-A (GB)
Title: A method of and an apparatus for receiving remote control signals
IPC: H02J13/00
Filed: 1967-01-25
Abstract: 1,142,173. Signalling over power circuits. ZELLWEGER Ltd., USTER FACTORIES FOR APPARATUS & MACHINES. 25 Jan., 1967 [17 March, 1966], No. 3727/67. Addition to 1,139,337. Heading H4R. [Also in Division H1] A receiver for a ripple control system of signalling over power circuits, which is a modification of the receiver of Specification 1,139,337, uses an ionic relay which is ignited by the capacitive influence of a device which is mechanically oscillated at its mechanical resonant frequency by the received control signals. Fig. 4 shows the receiver circuit in which incoming signals are fed to a circuit comprising the inductance of coil 5<SP>1</SP> and capacitance 4, which is resonant at the signalling frequency, and the inductance of which forms the driving circuit of the mechanical resonant assembly consisting of vibrating reed 61 coupled by link 7 to a reed 90 carrying a switching plate 81. Between the switching plate 81 and the external control electrode 103 of the ionic relay 100 is a screen 91, the screen and switching plate having corresponding apertures and webs so that when the switching plate 81 is stationary the screening plate 91 prevents the switching plate influencing the external control electrode. When the switching plate is vibrated by a signal at the resonant frequency of the mechanical assembly the switching plate 81 capacitively influences the electrode 103 through the apertures in the screening plate and thereby causes the ionic relay 100 to conduct. The switching plate is connected to the supply via an auto-transformer including coils 5<SP>1</SP> and 5<SP>11</SP> so that the signal on the switching plate 81 is a supply frequency signal of opposite phase to the signal at terminal 1, which is connected directly to the cathode of the ionic relay. Once fired the relay remains fired for the remainder of that half cycle of the supply frequency, being extinguished when the supply voltage goes through zero. During the periods that the ionic relay is conducting, capacitor 13 charges through resistor 11 and diode 12 until such time as the capacitor voltage reaches the firing potential of the discharge tube 15 which then fires and operates relay 16, indicating the reception of a valid signal. In an alternative construction of the ionic relay, Figs. 5, 6 and 7 (not shown), the switching plate (82) remains stationary being supported on the relay, and the screen (92) is vibrated by a connection (7) with the electromechanical converter.
Patent GB-700435-A (GB)
Title: Improvements relating to pneumatic road wheel tyre covers
IPC: B60C9/22
Filed: 1952-02-12
Abstract: 700,435. Pneumatic tyres. PIRELLI SOC. PER AZIONI. Feb. 12, 1952 [March 21, 1951], No. 3756/52. Class 144(2) In a pneumatic tyre having a carcase 2 comprising superposed layers of rubberized cords directed parallel with, or at an angle not exceeding 10 degrees to, transverse radial planes, the cords of adjacent layers being parallel or mutually inclined at an angle not exceeding 20 degrees, a breaker structure 1 of at least two superposed layers of parallel substantially inextensible rubberized textile fibre cords is disposed between the tread 3 and carcase 2, the cords of each layer of the breaker 1 being parallel with, or at an angle not exceeding 20 degrees to, the mid-circumferential plane of the tyre, and the cords of adjacent superposed layers being parallel or mutually inclined at an angle not exceeding 40 degrees, and the breaker comprising either a single full-width ring or a plurality of smaller-width rings side by side. The edges of the breaker ring or rings may be turned against the rest of the ring, the amount of fold increasing towards the outer side rings in the case of the breaker comprising more than one ring. The breaker may be parallel to and of the same width as the tread strip 3 and the cords may be cotton, flax, rayon or nylon fibre. The tyre may be moulded so that in cross-section it has greater width than height, the breaker structure cords being thereby placed under tension when the tyre is inflated.
Patent GB-354689-A (GB)
Title: Improvements in the method of and apparatus for condensation
IPC: F28B1/06
Filed: 1930-02-04
Abstract: 354,689. Surface condensers. REICHSVERBAND DER AUTOMOBIL-INDUSTRIE E. V., 8, Hardenbergstrasse, Charlottenburg, Berlin. Feb. 4, 1930, No. 3807. Convention date, Feb. 16, 1929. Void [Published under Sect. 91 of the Acts]. [Class 64 (iii).] An air-cooled steam condenser, particularly for use in a cooling system for internal-combustion engines in which the water boils, consists of a number of sections, formed of straight tubes between headers, arranged in series and over which air is propelled by a fan a &c. in countercurrent to the progress of steam from section to section. In the construction having vertical tubes 3, Figs. 1 and 2, condensate is drawn from each section through chambers 4, 10 &c. Partitions 8 form a water seal preventing steam passing from section to section except by pipe connections 5, 9, &c. Steam enters at inlet 1 and the condensate returns through 15 to the apparatus to be cooled, and uncondensed gases are withdrawn through port 16. In the structure with horizontal tubes 17 .. 20, Figs. 3 and 4, condensate from tubes 17, 19, collects in headers 23, 25 and returns by the lowest tube to chambers 22, 24 and thence flows into container 27 while the steam circulates as shown by the arrows. The partitions 28, 29 forming water seals between the sections may extend to the bottom of container 27 which is then provided with an outlet for each division. The cross section of the steam tubes is chosen so that the steam velocity is high in order to prevent the formation of air pockets.
Patent GB-1444073-A (GB)
Title: Devices for the localised treatment of continuously running products by the intermittent projection of fluids at very high pressure
IPC: B05B15/12
Filed: 1974-01-28
Abstract: 1444073 Printing OPI-TEXTILE 28 Jan 1974 [29 Jan 1973] 03921/74 Heading B6C [Also in Division D1] Textile threads or webs are coloured by moving the material 1 through a treatment zone wherein dye is sprayed onto the fibres from spray heads 9 intermittently at a pressure of from 20 to 200 bars. Trough 3 is provided to collect unused dye which is recycled by pump 7 to spray heads 9. The flow rate of the pump, the spray heads, and the distance between spray heads are preferably all adjustable. The intermittent flow may be achieved using a plunger pump, or by intermittently closing the spray heads.
Patent GB-607547-A (GB)
Title: Improvements in steam traps
IPC: F16T1/14
Filed: 1946-02-07
Abstract: 607,547. Fluid-actuated valves. PORTER, W. H. Feb. 7, 1946, No. 3940. [Class 135] [Also in Group XIII] A steam trap includes a condensate release valve A having an integral piston B. The valve is opened by the pressure of the condensate and closed, when the temperature of the condensate reaches a certain value, by the pressure of flash steam on the top of the piston B. The piston may be a loose fit in a port in the valve body or it may be provided with small grooves or holes to permit gradual escape of the flash steam and re-opening of the valve. Specification 432,385, [Group XIII], is referred to.
Patent GB-1387775-A (GB)
Title: Shift lever mechanism
IPC: F16H63/30
Filed: 1973-01-25
Abstract: 1387775 Change-speed control; springs TOYOTA JIDOSHA KOGYO KK 25 Jan 1973 [28 Jan 1972] 3951/73 Headings F2D and F2S [Also in Division E2] To minimize the transmission of vibration to a gear shift lever 50 of the kind comprising a spherical formation 52 pressed by a spring 60 into sliding engagement with a spherical seat 80 the latter is displaceable in its axial direction and loaded by a resilient member, e.g. a rubber ring 92, to provide a floating mounting for the lever. The ring 92 may have a plurality of enlargements d, Fig. 7, or it may have a crosssection as in Fig. 6, or without the inwardly extending limb b<1>. Alternatively the resilient member may comprise a conical spring or an annular plate of undulating form, Fig. 9. The seat 80 may be of polyurethane rubber or other synthetic resin material. In a modification, the spring 60 is mounted externally, compressed between the top of the housing and a snap ring on the shift lever, and the spherical formation 52 is extended upwardly to engage the seat 80 mounted in the upper part of the housing.
Patent GB-1442723-A (GB)
Title: Colour cathode ray tube apparatus
IPC: H01J29/56
Filed: 1974-01-29
Abstract: 1442723 Colour television tubes SONY CORP 29 Jan 1974 [2 Feb 1973] 04048/74 Heading HID In a colour television tube having three beams arranged in a plane, deformation of beam shape by the magnetic fields of the dynamic convergence arrangement 6, formed by coils 10 and 11 wound on yokes 8 and 9 disposed around the tube outside the static convergence arrangement 1, is compensated for by additional coils 16 and 17, wound on yokes 14 and 15, Fig. 8, and arranged between the beam sources and the dynamic convergence arrangement. As shown, the additional coils and yokes are disposed around the main lens 64, at which cross-over occurs, whereby the dynamic convergence is unaffected, and the coils are connected in series with the dynamic convergence coils, although reference is also made to parallel connection.